Which is most accurate? gettysburg was the most lopsided confederate victory of the civil war fredericksburg was the first major battle of the civil war the first battle of bull run was the bloodiest one day battle in american history lincoln waited to issue the emancipation proclamation until after the union victory at antietam?

The first battle of bull run was the bloodiest one day battle in american history

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.